Round 2mm Genuine Smokey Quartz Stud Earrings (0.08 cttw) Sterling Silver, 14k Yellow or Rose Goldplate TARNISH RESISTANT: The post is crafted of solid 925 Sterling Silver 4-Prong Basket Setting secures the brilliant cut quartz Irritant free: designed with a chic butterfly friction post to fit comfortably Sensitive Skin? HYPOALLERGENIC: No rashes or breakouts. Lead and Nickel Free Satisfaction Guaranteed: The product is protected. Each package is insured